The 10 Most Dangerous Waters in the World

5. Horseshoe Lake, USA

4. Boiling Lake, Dominica

3. Rio Tinto, Portugal/Spain

2. Drake Passage

1. Lake Kivu

Bonus: water creatures

If you ever decide to swim in a river, lake, or just about any other body of water, make sure to check if it is safe to bathe there, because even places that attract tourists may well be infested with lampreys, hagfish, leeches, or other unpleasant fauna. Look up the water you’re about to plunge into on the web and stay safe!